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Worm Gear Wafer High Performance Butterfly Valves Used In Chemical

Categories Butterfly Valves
Brand Name: OEM
Model Number: D71X / D371X
Certification: ISO 9001 / CE
Place of Origin: Shanghai , China
MOQ: 1pcs
Price: negotiation
Payment Terms: T/T advance or L/C at sight
Supply Ability: 90,000pcs per month
Delivery Time: 1usually within 35 days after received your payment
Packaging Details: Usually packing by plywood case suit for sea delivery
Structer: butterfly valve
Application: Sewage, water etc.,
Size: DN50 ~DN3000
Pressure: PN10
Standard: DIN / BS / AWWA / JIS
Temperature: -20~120 C
Body: Cast iron/ ductile iron/ stainless steel
Disc/wedge: Ductile iron/ Stainless steel/ SS304/SS316
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    Worm Gear Wafer High Performance Butterfly Valves Used In Chemical


    Worm Gear Wafer High Performance Butterfly Valves Used In Chemical


    Worm Gear Wafer Butterfly Valve, used in Chemical/Petrochemical Processing, Food & Beverage etc.,


    Wafer butterfly valves adopt different material, different seal ring, suitable for different medium. Widely

    used in Chemical/Petrochemical Processing, Food & Beverage, Power & Utilities, Pulp & Paper etc.


    Key feature and benefits


    Light weight;Good wear resistance;Compact structure;Low flow resistance;Small operation torque


    Easy to install and maintain



    Part Material
    NO.PART NAMEMATERIAL
    1BodyWCB,Cast Iron
    2DiscWCB,Cast Iron,SS304
    3Shaft2Cr13,SS304,SS316
    4Seal RingEPDM/NBR
    5PakingO-ring

    Technical Specification
    Nominal Pressure:1.0~1.6MPa
    DN:40~1000mm
    Medium: water,oil,gas
    Work temperature: ≤120℃
    Design Standard:BS5163
    Flange Standard:BS EN 1092
    OTHER STANDARD ARE AVAILABLE UPON REQUEST.

    DN506580100125150200250300350400
    L43464652565660687878102
    H637083105115137164206230248289
    Ho306321346387411447572646738761877
    A180180180180180270270270380380450
    B200200200200200280280280420420470
    D0(1.0MPa)110130150170200225295350400445495
    N-d(1.0MPa)4-144-144-184-188-188-188-1812-1812-2212-2216-22
    D0(1.6MPa)125145160180210240295350410460515
    N-d(1.6MPa)4-184-188-188-188-188-228-2212-2212-2216-2216-22

    Specifications:


    Wafer Butterfly Valve


    1. Optional cast iron body and WPDM seat


    2 . Smaller torque, better sealing



    Size: DN50 - 3000
    Temperature: -15℃ - 150℃
    Pressure: 1.0MPa/1.6MPa

    Materials
    Materials of Body : Ductile Iron (GGG40, GGG50). Cast Iron (GG25), Stainless Steel


    Materials of Disc : Stainless Steel. Nickel Plated, Ductile Iron, Ductile Iron Coated Plastic,

    Titanium Steel, Copper Alloy etc


    Materials of Seat : Ethylene-Propylene-Diene Monomer (EPDM), Polytetrafluoroethylene (PTFE),

    Nitrile Rubber (NBR), Chloroprene, Chlorosulfonated Polyethylene (Hypalon),

    Silicon, Fluoroelastomer (VITON) , Caoutchouc etc.


    Materials of Stem : Stainless Steel. Carbon Steel ,2Cr13


    A butterfly valve is a type of flow control device, typically used to regulate a fluid flowing through a section of pipe.
    The valve is similar in operation to a ball valve. A flat circular plate is positioned in the center of the pipe.
    The plate has a rod through it connected to an actuator on the outside of the valve. Rotating the actuator turns the
    plate either parallel or perpendicular to the flow. Unlike a ball valve, the plate is always present within the flow,
    therefore a pressure drop is always induced in the flow regardless of valve position.


    Wafer Rubber Seated Butterfly Valves

    DN
    (mm)

    PN
    (MPa)

    Connection dimensions(mm)

    L

    D

    D1

    Zφd

    40

    1.0/1.6

    43

    145

    110

    4-18

    50

    43

    165

    125

    4-18

    65

    46

    185

    145

    4-18

    80

    46

    200

    160

    4-18/8-18

    100

    52

    220

    180

    8-18

    125

    56

    250

    210

    8-18

    150

    56

    285

    240

    8-22

    200

    60

    340

    295

    8-22/12-22

    250

    68

    395/405

    350/355

    12-22

    300

    78

    445/460

    400/410

    12-22

    350

    1.0

    78

    505

    460

    16-22

    400

    102

    565

    515

    16-26

    450

    114

    615

    565

    20-26

    500

    127

    670

    620

    20-26

    600

    154

    780

    725

    20-30

    700

    165

    895

    840

    24-30

    800

    190

    1015

    950

    24-33

    900

    203

    1115

    1050

    28-33

    1000

    216

    1230

    1160

    28-39

    1200

    254

    1455

    1380

    32-39

    1200

    0.6/0.25

    254

    1400/1375

    1340/1320

    32-34/32-30

    1400

    279

    1620/1575

    1560/1620

    36-34/36-30

    1600

    318

    1820/1785

    1760/1730

    40-34/40-30

    1800

    356

    2045/1985

    1970/1930

    44-41/44-30

    2000

    406

    2265/2185

    2180/2130

    48-48/48-30



    Product Advantages:

    1) Small in size and light in weight and maintaince.
    It can be mounted whereever needed.

    2) Simple, compact structure, quick 90 degree on-off operation.

    3) Disc has two-way bearing, perfect seal, without leakage under
    the pressure test.

    4) Flow curve tending to straight-line. Excellent regulation performance.

    5) Various kinds of materials, applicable to different medium.

    6) Strong wash and brush resistance and can fit to bad working condition.
    Quality Worm Gear Wafer High Performance Butterfly Valves Used In Chemical for sale
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